rust/tests/ui/issues/issue-25497.rs
2024-02-16 20:02:50 +00:00

20 lines
314 B
Rust

//@ run-pass
#[derive(Clone, Debug, PartialEq)]
enum Expression {
Dummy,
Add(Box<Expression>),
}
use Expression::*;
fn simplify(exp: Expression) -> Expression {
match exp {
Add(n) => *n.clone(),
_ => Dummy
}
}
fn main() {
assert_eq!(simplify(Add(Box::new(Dummy))), Dummy);
}